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Profile Name | PIK3CA V955I |
Gene Variant Detail | |
Relevant Treatment Approaches | Akt Inhibitor (Pan) Akt1 Inhibitor Akt2 Inhibitor mTOR Inhibitor mTORC1 Inhibitor mTORC2 Inhibitor PI3K Inhibitor (Pan) PIK3CA inhibitor |
Molecular Profile | Indication/Tumor Type | Response Type | Relevant Treatment Approaches | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|---|
PIK3CA V955I | colorectal cancer | resistant | Cetuximab + Fluorouracil | Case Reports/Case Series | Actionable | In a clinical study, PIK3CA V955I was identified as a potential mechanism for acquired Erbitux (cetuximab) resistance in a colorectal cancer patient, which is supported by cell culture studies demonstrating resistance to Erbitux (cetuximab) and Fluorouracil combination treatment in colorectal cancer cells over expressing PIK3CA V955I (PMID: 28424201). | 28424201 |